'4' chapter fraction and decimal & '1' chapter is integer in my maths book

Chapter 1: Introduction to Mathematics
- This chapter introduces the basic concepts of mathematics such as numbers, operations, and mathematical symbols.
- Students learn about the importance of mathematics in everyday life and various fields such as science, engineering, and finance.
- Topics covered include arithmetic, algebra, geometry, and calculus.
- Understanding this chapter is crucial as it lays the foundation for further mathematical studies.

Chapter 2: Numbers and Operations
- In this chapter, students learn about different types of numbers such as natural numbers, whole numbers, integers, rational numbers, and irrational numbers.
- Operations such as addition, subtraction, multiplication, and division are covered in detail.
- Students also learn about properties of numbers and how to solve problems using different operations.
- This chapter is essential for building a strong mathematical foundation.

Chapter 3: Algebra
- Algebra introduces students to the concept of variables, expressions, equations, and inequalities.
- Students learn how to simplify expressions, solve equations, and graph linear equations.
- Topics such as factoring, exponents, and polynomials are covered in this chapter.
- Understanding algebra is crucial for solving complex mathematical problems and real-world applications.

Chapter 4: Geometry
- Geometry focuses on the study of shapes, sizes, and properties of objects in space.
- Topics covered include angles, triangles, quadrilaterals, circles, and polygons.
- Students learn how to calculate perimeter, area, and volume of various geometric shapes.
- Understanding geometry is important for fields such as architecture, engineering, and design.